50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
#include <nntpchan/sanitize.hpp>
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#include <algorithm>
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#include <regex>
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#include <cctype>
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namespace nntpchan
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{
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std::string NNTPSanitizeLine(const std::string & str)
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{
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if(str == ".") return " .";
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std::string sane;
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sane += str;
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const char ch = ' ';
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std::replace_if(sane.begin(), sane.end(), [](unsigned char ch) -> bool { return iscntrl(ch); } , ch);
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return sane;
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}
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std::string ToLower(const std::string & str)
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{
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std::string lower = str;
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std::transform(lower.begin(), lower.end(), lower.begin(), [](unsigned char ch) -> unsigned char { return std::tolower(ch); } );
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return lower;
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}
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static const std::regex re_ValidMessageID("^<[a-zA-Z0-9$\\._]{2,128}@[a-zA-Z0-9\\-\\.]{2,63}>$");
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bool IsValidMessageID(const std::string & msgid)
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{
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return std::regex_search(msgid, re_ValidMessageID) == 1;
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}
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static const std::regex re_ValidNewsgroup("^[a-zA-Z][a-zA-Z0-9.]{1,128}$");
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bool IsValidNewsgroup(const std::string & msgid)
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{
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return std::regex_search(msgid, re_ValidNewsgroup) == 1;
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}
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std::string StripWhitespaces(const std::string & str)
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{
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std::string stripped;
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for(const auto & ch : str)
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if(!(std::isspace(ch)||std::iscntrl(ch)))
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stripped += ch;
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return stripped;
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}
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}
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